Type Confusion in Google Chromium - CVE-2025-10585

Vulnerability identifier: #VU115757

CSH Severity: Critical

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-10585

CWE-ID: CWE-843

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being exploited in the wild.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Gentoo Linux
Debian Linux
Fedora
Chrome OS
www-client/opera
chromium
chromium (Debian package)
cef
www-client/microsoft-edge
www-client/chromium
www-client/google-chrome

Install update from vendor's website.

Google Chromium - update to 140.0.7339.185
Microsoft Edge - update to 140.0.3485.81
Google Chrome - update to 140.0.7339.185
www-client/opera - update to 122.0.5643.142
Chrome OS - addressed in versions 132.0.6834.245, 138.0.7204.293, 140.0.7339.201
chromium - addressed in versions 140.0.7339.185-1.el9, 140.0.7339.185-1.el10_2, 140.0.7339.185-1.fc41, 140.0.7339.185-1.fc42, 140.0.7339.185-1.fc43
chromium (Debian package) - addressed in versions 140.0.7339.185-1~deb12u1, 140.0.7339.185-1~deb13u1
cef - addressed in versions 140.1.15^chromium140.0.7339.207-3.fc42, 140.1.15^chromium140.0.7339.207-3.fc43
www-client/microsoft-edge - update to 141.0.3537.71
www-client/chromium - update to 141.0.7390.107
www-client/google-chrome - update to 141.0.7390.107
Prisma Access Browser - update to 141.6.4.55

• https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_17.html
• https://crbug.com/445380761

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Google ChromeOS
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 41 update for chromium
• Fedora 42 update for chromium
• Fedora 43 update for chromium
• Fedora 43 update for cef
• Fedora 42 update for cef
• Multiple vulnerabilities in Google ChromeOS LTS
• Multiple vulnerabilities in Prisma Access Browser
• Multiple vulnerabilities in Google ChromeOS
• Gentoo update for Chromium, Google Chrome, Microsoft Edge. Opera